Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004PICKUP F350 SUPER DUTY, 4D PICKUP, 6.8 S, RWD, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 559 (CRUISE CONTROL SYSTEM - SPEED CONTROL)DIAGNOSIS AND TESTINGSPEED CONTROLINSPECTION AND VERIFICATIONPOWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
2004 Ford Pickup F350 Super Duty, 4D Pickup, 6.8 S, RWD, Automatic
Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
2004 Ford Pickup F350 Super Duty, 4D Pickup, 6.8 S, RWD, AutomaticSECTION Powertrain Control Module (PCM) Diagnostic Trouble Code (DTC) Index
WARNING: This page is about a different car, the 2005 Ford RV Cutaway, 2005 Ford Econoline, 2005 Ford E450 Super Duty, and 2005 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| P0500 | Vehicle Speed Error | PCM | See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles. |
| P0579 | Cruise Control Multi-Function Input A Circuit Range/Performance | PCM | GO to PINPOINT TEST C . |
| P0581 | Cruise Control Multi-Function Input A Circuit High | PCM | GO to PINPOINT TEST C . |
| P0720 | Output Shaft Speed Sensor | PCM | See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles. |
| P0721 | Output Shaft Speed Sensor Circuit/Range Performance | PCM | See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles. . |
| P0722 | Output Shaft Speed Sensor Circuit No Signal | PCM | See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles. . |
| P1572 | Brake On/Off Failure | PCM | GO to PINPOINT TEST B . |
| P1703 | Brake On/Off Failure | PCM | GO to PINPOINT TEST B . |
| All other PCM DTCs | - | PCM | See INTRODUCTION - GASOLINE and/or INTRODUCTION -- 6.0L DIESEL articles. . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.